<template>
  <div id="report">
    <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/welcome' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>数据统计</el-breadcrumb-item>
        <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>

    <el-card>
        <div id="main" style="width: 800px;height:400px;"></div>
    </el-card>
  </div>
</template>

<script>
import echarts from 'echarts'
import _ from 'lodash'
export default {
  name: 'report',
  data() {
      return {
          options: {
            title: {
            text: '用户来源'
            },
            tooltip: {
            trigger: 'axis',
            axisPointer: {
                type: 'cross',
                label: {
                backgroundColor: '#E9EEF3'
                }
            }
            },
            grid: {
            left: '3%',
            right: '4%',
            bottom: '3%',
            containLabel: true
            },
            xAxis: [
            {
                boundaryGap: false
            }
            ],
            yAxis: [
            {
                type: 'value'
            }
            ]
        }
      }
  },
  created(){

  },
  async mounted(){
      // 基于准备好的dom，初始化echarts实例
        var myChart = echarts.init(document.getElementById('main'));
        const {data:res}=await this.$http.get('reports/type/1')
        if(res.meta.status!=200){
            return this.$message.error('获取报表数据失败')
        }
        // 指定图表的配置项和数据,合并数据
        const result= _.merge(res.data,this.options)
        // 使用刚指定的配置项和数据显示图表。
        myChart.setOption(result);
  }
}
</script>

<style>

</style>
